sound/soc/intel/boards/bxt_rt298.c

   1 /*
   2  * Intel Broxton-P I2S Machine Driver
   3  *
   4  * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine driver
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License version
  11  * 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/platform_device.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/soc.h>
  24 #include <sound/jack.h>
  25 #include <sound/pcm_params.h>
  26 #include "../../codecs/hdac_hdmi.h"
  27 #include "../../codecs/rt298.h"
  28
  29 static struct snd_soc_jack broxton_headset;
  30 /* Headset jack detection DAPM pins */
  31
  32 enum {
  33         BXT_DPCM_AUDIO_PB = 0,
  34         BXT_DPCM_AUDIO_CP,
  35         BXT_DPCM_AUDIO_REF_CP,
  36         BXT_DPCM_AUDIO_DMIC_CP,
  37         BXT_DPCM_AUDIO_HDMI1_PB,
  38         BXT_DPCM_AUDIO_HDMI2_PB,
  39         BXT_DPCM_AUDIO_HDMI3_PB,
  40 };
  41
  42 static struct snd_soc_jack_pin broxton_headset_pins[] = {
  43         {
  44                 .pin = "Mic Jack",
  45                 .mask = SND_JACK_MICROPHONE,
  46         },
  47         {
  48                 .pin = "Headphone Jack",
  49                 .mask = SND_JACK_HEADPHONE,
  50         },
  51 };
  52
  53 static const struct snd_kcontrol_new broxton_controls[] = {
  54         SOC_DAPM_PIN_SWITCH("Speaker"),
  55         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  56         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  57 };
  58
  59 static const struct snd_soc_dapm_widget broxton_widgets[] = {
  60         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  61         SND_SOC_DAPM_SPK("Speaker", NULL),
  62         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  63         SND_SOC_DAPM_MIC("DMIC2", NULL),
  64         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  65         SND_SOC_DAPM_SPK("HDMI1", NULL),
  66         SND_SOC_DAPM_SPK("HDMI2", NULL),
  67         SND_SOC_DAPM_SPK("HDMI3", NULL),
  68 };
  69
  70 static const struct snd_soc_dapm_route broxton_rt298_map[] = {
  71         /* speaker */
  72         {"Speaker", NULL, "SPOR"},
  73         {"Speaker", NULL, "SPOL"},
  74
  75         /* HP jack connectors - unknown if we have jack detect */
  76         {"Headphone Jack", NULL, "HPO Pin"},
  77
  78         /* other jacks */
  79         {"MIC1", NULL, "Mic Jack"},
  80
  81         /* digital mics */
  82         {"DMIC1 Pin", NULL, "DMIC2"},
  83         {"DMic", NULL, "SoC DMIC"},
  84
  85         {"HDMI1", NULL, "hif5 Output"},
  86         {"HDMI2", NULL, "hif6 Output"},
  87         {"HDMI3", NULL, "hif7 Output"},
  88
  89         /* CODEC BE connections */
  90         { "AIF1 Playback", NULL, "ssp5 Tx"},
  91         { "ssp5 Tx", NULL, "codec0_out"},
  92         { "ssp5 Tx", NULL, "codec1_out"},
  93
  94         { "codec0_in", NULL, "ssp5 Rx" },
  95         { "ssp5 Rx", NULL, "AIF1 Capture" },
  96
  97         { "dmic01_hifi", NULL, "DMIC01 Rx" },
  98         { "DMIC01 Rx", NULL, "Capture" },
  99
 100         { "hifi3", NULL, "iDisp3 Tx"},
 101         { "iDisp3 Tx", NULL, "iDisp3_out"},
 102         { "hifi2", NULL, "iDisp2 Tx"},
 103         { "iDisp2 Tx", NULL, "iDisp2_out"},
 104         { "hifi1", NULL, "iDisp1 Tx"},
 105         { "iDisp1 Tx", NULL, "iDisp1_out"},
 106
 107 };
 108
 109 static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd)
 110 {
 111         struct snd_soc_dapm_context *dapm;
 112         struct snd_soc_component *component = rtd->cpu_dai->component;
 113
 114         dapm = snd_soc_component_get_dapm(component);
 115         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 116
 117         return 0;
 118 }
 119
 120 static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
 121 {
 122         struct snd_soc_codec *codec = rtd->codec;
 123         int ret = 0;
 124
 125         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 126                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 127                 &broxton_headset,
 128                 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
 129
 130         if (ret)
 131                 return ret;
 132
 133         rt298_mic_detect(codec, &broxton_headset);
 134
 135         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 136
 137         return 0;
 138 }
 139
 140 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 141 {
 142         struct snd_soc_dai *dai = rtd->codec_dai;
 143
 144         return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
 145 }
 146
 147 static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
 148                         struct snd_pcm_hw_params *params)
 149 {
 150         struct snd_interval *rate = hw_param_interval(params,
 151                                         SNDRV_PCM_HW_PARAM_RATE);
 152         struct snd_interval *channels = hw_param_interval(params,
 153                                         SNDRV_PCM_HW_PARAM_CHANNELS);
 154         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 155
 156         /* The ADSP will covert the FE rate to 48k, stereo */
 157         rate->min = rate->max = 48000;
 158         channels->min = channels->max = 2;
 159
 160         /* set SSP5 to 24 bit */
 161         snd_mask_none(fmt);
 162         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 163
 164         return 0;
 165 }
 166
 167 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
 168         struct snd_pcm_hw_params *params)
 169 {
 170         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 171         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 172         int ret;
 173
 174         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
 175                                         19200000, SND_SOC_CLOCK_IN);
 176         if (ret < 0) {
 177                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 178                 return ret;
 179         }
 180
 181         return ret;
 182 }
 183
 184 static struct snd_soc_ops broxton_rt298_ops = {
 185         .hw_params = broxton_rt298_hw_params,
 186 };
 187
 188 static unsigned int rates[] = {
 189         48000,
 190 };
 191
 192 static struct snd_pcm_hw_constraint_list constraints_rates = {
 193         .count = ARRAY_SIZE(rates),
 194         .list  = rates,
 195         .mask = 0,
 196 };
 197
 198 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 199                                 struct snd_pcm_hw_params *params)
 200 {
 201         struct snd_interval *channels = hw_param_interval(params,
 202                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 203         if (params_channels(params) == 2)
 204                 channels->min = channels->max = 2;
 205         else
 206                 channels->min = channels->max = 4;
 207
 208         return 0;
 209 }
 210
 211 static unsigned int channels_dmic[] = {
 212         2, 4,
 213 };
 214
 215 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 216         .count = ARRAY_SIZE(channels_dmic),
 217         .list = channels_dmic,
 218         .mask = 0,
 219 };
 220
 221 static int broxton_dmic_startup(struct snd_pcm_substream *substream)
 222 {
 223         struct snd_pcm_runtime *runtime = substream->runtime;
 224
 225         runtime->hw.channels_max = 4;
 226         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 227                                         &constraints_dmic_channels);
 228
 229         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 230                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 231 }
 232
 233 static struct snd_soc_ops broxton_dmic_ops = {
 234         .startup = broxton_dmic_startup,
 235 };
 236
 237 static unsigned int channels[] = {
 238         2,
 239 };
 240
 241 static struct snd_pcm_hw_constraint_list constraints_channels = {
 242         .count = ARRAY_SIZE(channels),
 243         .list = channels,
 244         .mask = 0,
 245 };
 246
 247 static int bxt_fe_startup(struct snd_pcm_substream *substream)
 248 {
 249         struct snd_pcm_runtime *runtime = substream->runtime;
 250
 251         /*
 252          * on this platform for PCM device we support:
 253          *      48Khz
 254          *      stereo
 255          */
 256
 257         runtime->hw.channels_max = 2;
 258         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 259                                 &constraints_channels);
 260
 261         snd_pcm_hw_constraint_list(runtime, 0,
 262                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 263
 264         return 0;
 265 }
 266
 267 static const struct snd_soc_ops broxton_rt286_fe_ops = {
 268         .startup = bxt_fe_startup,
 269 };
 270
 271 /* broxton digital audio interface glue - connects codec <--> CPU */
 272 static struct snd_soc_dai_link broxton_rt298_dais[] = {
 273         /* Front End DAI links */
 274         [BXT_DPCM_AUDIO_PB] =
 275         {
 276                 .name = "Bxt Audio Port",
 277                 .stream_name = "Audio",
 278                 .cpu_dai_name = "System Pin",
 279                 .platform_name = "0000:00:0e.0",
 280                 .nonatomic = 1,
 281                 .dynamic = 1,
 282                 .codec_name = "snd-soc-dummy",
 283                 .codec_dai_name = "snd-soc-dummy-dai",
 284                 .init = broxton_rt298_fe_init,
 285                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 286                 .dpcm_playback = 1,
 287                 .ops = &broxton_rt286_fe_ops,
 288         },
 289         [BXT_DPCM_AUDIO_CP] =
 290         {
 291                 .name = "Bxt Audio Capture Port",
 292                 .stream_name = "Audio Record",
 293                 .cpu_dai_name = "System Pin",
 294                 .platform_name = "0000:00:0e.0",
 295                 .nonatomic = 1,
 296                 .dynamic = 1,
 297                 .codec_name = "snd-soc-dummy",
 298                 .codec_dai_name = "snd-soc-dummy-dai",
 299                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 300                 .dpcm_capture = 1,
 301                 .ops = &broxton_rt286_fe_ops,
 302         },
 303         [BXT_DPCM_AUDIO_REF_CP] =
 304         {
 305                 .name = "Bxt Audio Reference cap",
 306                 .stream_name = "refcap",
 307                 .cpu_dai_name = "Reference Pin",
 308                 .codec_name = "snd-soc-dummy",
 309                 .codec_dai_name = "snd-soc-dummy-dai",
 310                 .platform_name = "0000:00:0e.0",
 311                 .init = NULL,
 312                 .dpcm_capture = 1,
 313                 .nonatomic = 1,
 314                 .dynamic = 1,
 315         },
 316         [BXT_DPCM_AUDIO_DMIC_CP] =
 317         {
 318                 .name = "Bxt Audio DMIC cap",
 319                 .stream_name = "dmiccap",
 320                 .cpu_dai_name = "DMIC Pin",
 321                 .codec_name = "snd-soc-dummy",
 322                 .codec_dai_name = "snd-soc-dummy-dai",
 323                 .platform_name = "0000:00:0e.0",
 324                 .init = NULL,
 325                 .dpcm_capture = 1,
 326                 .nonatomic = 1,
 327                 .dynamic = 1,
 328                 .ops = &broxton_dmic_ops,
 329         },
 330         [BXT_DPCM_AUDIO_HDMI1_PB] =
 331         {
 332                 .name = "Bxt HDMI Port1",
 333                 .stream_name = "Hdmi1",
 334                 .cpu_dai_name = "HDMI1 Pin",
 335                 .codec_name = "snd-soc-dummy",
 336                 .codec_dai_name = "snd-soc-dummy-dai",
 337                 .platform_name = "0000:00:0e.0",
 338                 .dpcm_playback = 1,
 339                 .init = NULL,
 340                 .nonatomic = 1,
 341                 .dynamic = 1,
 342         },
 343         [BXT_DPCM_AUDIO_HDMI2_PB] =
 344         {
 345                 .name = "Bxt HDMI Port2",
 346                 .stream_name = "Hdmi2",
 347                 .cpu_dai_name = "HDMI2 Pin",
 348                 .codec_name = "snd-soc-dummy",
 349                 .codec_dai_name = "snd-soc-dummy-dai",
 350                 .platform_name = "0000:00:0e.0",
 351                 .dpcm_playback = 1,
 352                 .init = NULL,
 353                 .nonatomic = 1,
 354                 .dynamic = 1,
 355         },
 356         [BXT_DPCM_AUDIO_HDMI3_PB] =
 357         {
 358                 .name = "Bxt HDMI Port3",
 359                 .stream_name = "Hdmi3",
 360                 .cpu_dai_name = "HDMI3 Pin",
 361                 .codec_name = "snd-soc-dummy",
 362                 .codec_dai_name = "snd-soc-dummy-dai",
 363                 .platform_name = "0000:00:0e.0",
 364                 .dpcm_playback = 1,
 365                 .init = NULL,
 366                 .nonatomic = 1,
 367                 .dynamic = 1,
 368         },
 369         /* Back End DAI links */
 370         {
 371                 /* SSP5 - Codec */
 372                 .name = "SSP5-Codec",
 373                 .id = 0,
 374                 .cpu_dai_name = "SSP5 Pin",
 375                 .platform_name = "0000:00:0e.0",
 376                 .no_pcm = 1,
 377                 .codec_name = "i2c-INT343A:00",
 378                 .codec_dai_name = "rt298-aif1",
 379                 .init = broxton_rt298_codec_init,
 380                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
 381                                                 SND_SOC_DAIFMT_CBS_CFS,
 382                 .ignore_pmdown_time = 1,
 383                 .be_hw_params_fixup = broxton_ssp5_fixup,
 384                 .ops = &broxton_rt298_ops,
 385                 .dpcm_playback = 1,
 386                 .dpcm_capture = 1,
 387         },
 388         {
 389                 .name = "dmic01",
 390                 .id = 1,
 391                 .cpu_dai_name = "DMIC01 Pin",
 392                 .codec_name = "dmic-codec",
 393                 .codec_dai_name = "dmic-hifi",
 394                 .platform_name = "0000:00:0e.0",
 395                 .be_hw_params_fixup = broxton_dmic_fixup,
 396                 .ignore_suspend = 1,
 397                 .dpcm_capture = 1,
 398                 .no_pcm = 1,
 399         },
 400         {
 401                 .name = "iDisp1",
 402                 .id = 3,
 403                 .cpu_dai_name = "iDisp1 Pin",
 404                 .codec_name = "ehdaudio0D2",
 405                 .codec_dai_name = "intel-hdmi-hifi1",
 406                 .platform_name = "0000:00:0e.0",
 407                 .init = broxton_hdmi_init,
 408                 .dpcm_playback = 1,
 409                 .no_pcm = 1,
 410         },
 411         {
 412                 .name = "iDisp2",
 413                 .id = 4,
 414                 .cpu_dai_name = "iDisp2 Pin",
 415                 .codec_name = "ehdaudio0D2",
 416                 .codec_dai_name = "intel-hdmi-hifi2",
 417                 .platform_name = "0000:00:0e.0",
 418                 .init = broxton_hdmi_init,
 419                 .dpcm_playback = 1,
 420                 .no_pcm = 1,
 421         },
 422         {
 423                 .name = "iDisp3",
 424                 .id = 5,
 425                 .cpu_dai_name = "iDisp3 Pin",
 426                 .codec_name = "ehdaudio0D2",
 427                 .codec_dai_name = "intel-hdmi-hifi3",
 428                 .platform_name = "0000:00:0e.0",
 429                 .init = broxton_hdmi_init,
 430                 .dpcm_playback = 1,
 431                 .no_pcm = 1,
 432         },
 433 };
 434
 435 /* broxton audio machine driver for SPT + RT298S */
 436 static struct snd_soc_card broxton_rt298 = {
 437         .name = "broxton-rt298",
 438         .owner = THIS_MODULE,
 439         .dai_link = broxton_rt298_dais,
 440         .num_links = ARRAY_SIZE(broxton_rt298_dais),
 441         .controls = broxton_controls,
 442         .num_controls = ARRAY_SIZE(broxton_controls),
 443         .dapm_widgets = broxton_widgets,
 444         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 445         .dapm_routes = broxton_rt298_map,
 446         .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
 447         .fully_routed = true,
 448 };
 449
 450 static int broxton_audio_probe(struct platform_device *pdev)
 451 {
 452         broxton_rt298.dev = &pdev->dev;
 453
 454         return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
 455 }
 456
 457 static struct platform_driver broxton_audio = {
 458         .probe = broxton_audio_probe,
 459         .driver = {
 460                 .name = "bxt_alc298s_i2s",
 461                 .pm = &snd_soc_pm_ops,
 462         },
 463 };
 464 module_platform_driver(broxton_audio)
 465
 466 /* Module information */
 467 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
 468 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
 469 MODULE_DESCRIPTION("Intel SST Audio for Broxton");
 470 MODULE_LICENSE("GPL v2");
 471 MODULE_ALIAS("platform:bxt_alc298s_i2s");